MAX8785ETI+T

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MAX8785ETI+T are power management devices, specialized for lighting, ballast controllers and other related applications. They feature fixed on-time control with minimize power losses and high efficiency drive. MAX8785ETI+T have integrated over-voltage, undervoltage and over-temperature protection, minimal external components and feedback voltage compensation.

The device is designed to provide the steady and highly accurate current output to drive a variety of loads. It integrates all necessary power control circuitries such as, main power switch, error amplifier, voltage reference, linear and switching control circuitries. The integrated circuits, also include a sample and hold circuit, an over-voltage protection circuit and an undervoltage protection circuit to ensure a safe operation.

The MAX8785ETI+T is composed of a bridge driver that can easily connect to single-ended loads, such as CCFL and DC-AC inverter circuits. It has adjustable frequency and adjustable soft start operation. It features optimization of switching performance, which results in lower power dissipation and higher efficiency.

The MAX8785ETI+T application field includes lighting and ballast controllers. The device is used to regulate current in a load, such as light fixtures, tube lights and ballasts. By connecting the device to the DC power rail, the load current can be varied over the required range. It allows to control current in a variety of applications, including but not limited to automotive, commercial and residential applications.

MAX8785ETI+T have peak current limit feature to ensure that the load current is not exceeded. This is especially important in order to prevent damage of the load due to excessive current. The peak current limit is also adjustable, depending on the application needs.

MAX8785ETI+T uses control techniques such as peak current limiting (PCM) and programmable off-time control (OCM). The PCM uses a current sense resistor to sense the load current and compare it with a reference voltage. The OCM steps the voltage up and down in phases, thus reducing the total power losses. As a result, the system efficiency is increased and the device is able to deliver more output current to the load.

The MAX8785ETI+T have integrated protections against over-voltage and under-voltage. These protection circuits are used to ensure that the device operates within the safe operating parameters, namely maximum operating voltage and minimum operating voltage. The integrated temperature protection circuit ensures that the device does not exceed the maximum temperature, thus protecting the device from overheating.

The MAX8785ETI+T provides excellent efficiency and power control for lighting and ballast controllers. Its integrated protections and current control techniques make it ideal for these applications. The device does not require external components for operation and is able to deliver excellent performance.

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